The authors called the analysis by stage "posthoc" in the 2005 JCO paper (second sentence, second paragraph of the discussion section), so Sally is correct. The fact patients were stratified by stage at randomization is better than nothing, but does not make up for the post-hoc nature of the analysis.
Unless otherwise indicated, this is the personal viewpoint of David
Miller and not necessarily that of Biotech Stock Research, LLC.
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